Panasonic FVWCCS1W Condensation Sensor, Humidity Control finish: White type: Condensation Sensor description: Condensation Sensor - 3 controls in 1 Humidity - Countdown Timer - Manual On/Off Control Humidity Control - Automatically turns on exhaust fan to control humidity Countdown Timer- Manually turning the fan on initiates a 30 minute countdown cycle Manual On/Off Control - Push the switch for manual fan operation Includes matching wall plate Color: White